Crazy is an English word with multiple meanings depending on context.
Main definitions:
1. Mentally deranged; insane (adj.)
2. Extremely enthusiastic or passionate (adj.)
3. Very strange or unusual (adj.)
4. Intensely excited or agitated (adj.)
5. Used to emphasize something (adv.)
Common phrases:
- "That's crazy!" (expressing disbelief)
- "I'm crazy about you" (deep affection)
- "Drive me crazy" (cause extreme irritation)